Email-Worm.Win32.Quamo

The Quamo worm pretends to be a game add-on, but when you click "Cancel", it sends itself to all of your contacts (I don't have Outlook), and when you click "Next" it appears to do nothing, but it actually overwrites all .doc, .xls and .txt files with:

You've didn't protected your files well enough

Let this be a lesson! Never trust someone else

eiram 1999-2001

It also overwrites all .exe files in the current folder with the same text. (Imagine running it from the Windows folder!)